do you mean failover for the ASA's or the CSC Modules?
If the CSC modules, the way i have them configured is on the same IP as the inside network (to access the trend server for updates). When I tried to put the CSC on the Management interface on a diff subnet, i found that the CSC modules could not connect to the net for the updates. According to TAC, there are no issues in putting the CSC modules on the inside network.
Don't you think it is unsafe to access the Trend Server on the internet through the inside network.
What kind of security policies, access-list have you configured to block any unwanted traffic such viruses, attack from outside as you would have opened access to internet from inside network for trend updates.
We have configured the outside and inside Interface with official ipv6 adresses, set a default route on outside Interface to our router, we also have definied a rule , which also gets hits, to permit tcp from inside Interface to any6.
In Syslog I also se...